Shaft for a medical instrument



FIG. 1 is a front elevational view of a shaft for a medical instrumentin accordance with the new design;

FIG. 2 is a side elevational view of the shaft for a medical instrumentof FIG. 1;

FIG. 3 is a top elevational view of the shaft for a medical instrumentof FIG. 1,

FIG. 4 is a bottom elevational view of the shaft for a medicalinstrument of FIG. 1;

FIG. 5 is a rear end elevational view of the shaft for a medicalinstrument of FIG. 1; and,

FIG. 6 is a front end elevational view of the shaft for a medicalinstrument of FIG. 1.

The ornamental design for “shaft for a medical instrument,” as shown anddescribed.